The combined net profits of Samsung Electronics, Hyundai Motor and Kia Motors are expected to account for more than 50 percent of the total net profits of Korea's top 30 conglomerates this year.

According to market researchers FnGuide on Tuesday, the top 30 conglomerates are likely to post a total of W67.5 trillion (US$1=W1,111) in net profits this year and Samsung, Hyundai and Kia's combined net profits are projected at W36.7 trillion, or 55 percent.

Samsung will likely post a net profit of W22.7 trillion or 34 percent of the total, Hyundai W9.6 trillion (14 percent) and Kia W4.5 trillion (7 percent).

The disparity in net profits among major business conglomerates has been widening this year. Among the total W57.3 trillion in combined net profits posted by the top 30 conglomerates last year, Samsung, Hyundai and Kia accounted for 44 percent.